OpenTechnical

OT-2026-000023108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023108) never changes.

Identity and time

Publication numberOT-2026-000023108 · never reused
Internal UUID01a0ae70-7266-731e-8ef2-da4c742b092e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023108
StatusPUBLIC

Content hashes

Canonical text1129664f274ef0256da2d7b162c6da3787638cbe4204ea25897066be2ac5eeda
Markdown50fd830a1abae50743afbb6ca1bbc0274a3695baa1821c3b1c3c24a110f69bc4
PDF
Publication pagec2532c6dc5ea92625cb6525b4f4ab0099305f37cbd27d5116ad38cf7628e0306
Manifest2959bb5840ad83508d9083354c019686d5e494e6e21034f6229c07562d0e9b6f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureD5sd38/Fm+Kz+B+T8GdoxFtYcJAd7iEG1GrvsfwxvyuAesPL1+YeSMiMDQfziWsQr4HkMEFB8RBPQ7iWxw6mCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:01.902832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023108
observed c2532c6dc5ea92625cb6525b4f4ab009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.886493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023108/manifest.json
observed 2959bb5840ad83508d9083354c019686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.869764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023108/publication.md
observed 50fd830a1abae50743afbb6ca1bbc027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:01.852522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023108/publication.txt
observed 1129664f274ef0256da2d7b162c6da37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.